Answer: The correct option is (A)

Step-by-step explanation: Given that a specific event has the probability of
.
we are to find the probability that the event will not occur.
Let the given event be represented by E.
Then, we have

The probability that the event E will not occur is represented by P'(E) and is defined by

Therefore, we get

Thus, the required probability is

Option (A) is CORRECT.